package Myextends;

import bytestream.J_Echo;
import java.io.*;
public class Testbin
{
    public static void main(String[] args)throws Exception
    {
        OutputStream s=new FileOutputStream("test.bin");
        s.write(-1);
        s.close();
        J_Echo.mb_echo(new FileInputStream("test.bin"));
    }
    
}
